Irene Pepperberg (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Irene Pepperberg" in Spanish language version.

refsWebsite

Global rank Spanish rank

3web.archive.org

1^st place

1^st place

1alexfoundation.org

low place

low place

1eurekalert.org

3,538^th place

3,188^th place

1chedd-angier.com

low place

low place

alexfoundation.org

«Alex the African Grey parrot and subject of landmark studies of bird intelligence dies at 31». Archivado desde el original el 3 de agosto de 2008. Consultado el 8 de febrero de 2010.

chedd-angier.com

«Irene Pepperberg, on season 12, episode 1». Scientific American Frontiers. PBS. 2001–2002. Archivado desde el original el 2006.

eurekalert.org

African grey parrot is first bird to comprehend numerical concept akin to zero

web.archive.org

Alex the African Grey parrot and subject of landmark studies of bird intelligence dies at 31
«Alex the African Grey parrot and subject of landmark studies of bird intelligence dies at 31». Archivado desde el original el 3 de agosto de 2008. Consultado el 8 de febrero de 2010.
«Irene Pepperberg, on season 12, episode 1». Scientific American Frontiers. PBS. 2001–2002. Archivado desde el original el 2006.